Triplet Decoupling Network for Masked Face Verification

Yuechao Guo, Jie Wen, Jingyong Su, Yong Xu
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Abstract

Face verification has been widely applied to identity authentication in many areas. However, due to the mask information embedded into the facial feature representation, existing face verification systems generally fail to identify the faces covered by masks during the COVID-19 coronavirus epidemic period. To address this issue, we propose a new triplet decoupling network (TDN) for the challenging masked face verification. Different from existing works, our proposed TDN seeks to remove the mask information included in extracted facial features by feature decoupling, such that more discriminative facial feature representations can be obtained for masked face verification. In addition, a new triplet similarity margin loss (TSM) is designed to enlarge the margin between the intra-class similarity and the inter-class similarity of faces. Experimental results show that the proposed method significantly outperforms the other state-of-the-art methods on masked face datasets, which demonstrates the effectiveness of our proposed method.
蒙面验证的三重解耦网络
人脸验证在身份认证中得到了广泛的应用。然而,由于面部特征表示中嵌入了口罩信息,现有的人脸验证系统在新冠肺炎疫情期间普遍无法识别被口罩覆盖的人脸。为了解决这个问题,我们提出了一种新的三重解耦网络(TDN),用于具有挑战性的屏蔽面验证。与现有工作不同的是,我们提出的TDN试图通过特征解耦去除提取的人脸特征中包含的掩码信息,从而获得更具判别性的人脸特征表示,用于被掩码验证。此外,设计了一种新的三组相似性边际损失算法(TSM)来扩大人脸的类内相似性和类间相似性之间的边际。实验结果表明,该方法在掩蔽人脸数据集上的性能明显优于其他先进方法,证明了该方法的有效性。
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